'use strict'

// non render-blocking way to defer a task
const task = task => setTimeout(task, 0)

const main = function () {
  const { jsx, render } = nanoJSX

  const addFloatingButton = () => {
    // link to repository
    let repo = 'https://github.com/enable3d/enable3d-website/tree/master/src'
    let pathname = window.location.pathname

    // link to .js file if it is a "headless mode" example
    if (/\headless/.test(pathname)) pathname = pathname.replace(/\.html$/, '.js')

    // add css to the head
    task(() => {
      const element = jsx`<link rel="stylesheet" href="/css/floating-action-button.css?ver=1.0.0" />`
      render(element, document.head, false)
    })

    // add button
    task(() => {
      const element = jsx`
        <div>
          <a href="${repo + pathname}">
            <div id="floating-action-button">
              <div>${'❮❯'}</div>
            </div>
          </a>
        </div>`
      render(element, document.body, false)
    })
  }

  const addGithubCorner = () => {
    task(() => {
      const githubCorner = jsx`
        <div>
          <a href="https://github.com/enable3d/enable3d" class="github-corner" aria-label="View source on GitHub">
            <svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; left: 0; transform: scale(-1, 1);" aria-hidden="true">
              <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
              <path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path>
            </svg>
            <style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
          </a>
        </div>`
      render(githubCorner, document.body, false)
    })
  }

  addFloatingButton()
  addGithubCorner()
}

// first of all, load Nano JSX, then execute all the rest
window.addEventListener('load', function () {
  const script = document.createElement('script')
  script.src = 'https://unpkg.com/nano-jsx@0.0.15/bundles/nano.slim.min.js'
  script.type = 'text/javascript'
  script.addEventListener('load', main)
  document.getElementsByTagName('head')[0].appendChild(script)
})
